22-24 Jan 2027
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22-24 January 2027/WHU Campus, Vallendar

Build a startup
in three days.

A team, 7 mentors and three days at WHU. On Sunday you pitch to a jury of investors and founders.

72hours
12teams
50+mentors
55 EURfee
The 2026 cohort at 3 Day Startup, WHU Vallendar
Featured in
GruenderszeneWHUStart Stories
72-hour timeline

Full agenda. All three days.

01

Friday

11:00Check-In (Open Space)
13:45Opening Speech
14:00Google Cloud Workshop
14:30Mentoring 1
16:00Mentoring 2
17:30Mentoring 3
19:00Flying Dinner
Alumni startups

Teams that kept going.

All startups
Bitahoy team
Bitahoy2024

Enables organizations to integrate business context into security operations for improved risk management.

Visit site
Prematch team
Prematch2024

The only app you need to follow German amateur soccer - all news, scores and stats in a single platform.

Visit site
Eco2Grow team
Eco2Grow2024

Gives mid-sized companies access to renewable energy from solar and wind farms at fixed long-term pricing.

Visit site
CIMK team
CIMK2023

FinTech platform providing alternative data and quantitative analytics for understanding the Chinese market.

Visit site
KASKO team
KASKO2023

Modular platform giving insurers the tools to bring digital products to market efficiently.

Visit site
What participants say
Relevant and great workshops, different angles on the product and market.
Nicolas Burscheidt3DS Participant
Used 3DS to validate our idea and work on our startup.
Konrad Wehner3DS Participant
Really enjoyed the event, have great mentors here and good opportunity to work on my idea.
Pascal Klonig3DS Participant
Inside 3DS

What it looks like
from the inside.

A mentor working with a team at 3DS
Mentor sessions
Participants talking between sessions at 3DS
Team work
A team pitching to the jury at 3DS
The final pitch
WHU Campus in Vallendar, Germany
Venue

WHU - Otto Beisheim
School of Management

Vallendar, Germany - Founded 1984
Mentorship

50+ mentors.
Direct access.

Every team meets seven of them, matched to what you are building.

50+
mentor network
7 / team
matched mentors
See mentor profiles

Applications are open to WHU students and invited external participants. We take 12 teams.

Apply now
Next event: 22-24 January 2027